36 lines
987 B
C++
36 lines
987 B
C++
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#include<iostream>//YOUWU
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#include<cstring>
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using namespace std;
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int x[100000001]={0},y[100000001]={0},f[100000001]={0},fx[4]={0,0,1,-1},fy[4]={1,-1,0,0};
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int main(){
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char s[10][10];
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for(int i=0;i<10;i++){
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for(int j=0;j<10;j++){
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cin>>s[i][j];
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int u=s[i][j];
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if(u=='L'){
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x[1]=i,y[1]=j;
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//cout<<endl<<x[1]<<y[1]<<endl;
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}
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}
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}
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int t=0,w=1;
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do{
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t++;
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for(int i=0;i<4;i++){
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int nx=x[t]+fx[i],ny=y[t]+fy[i];
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//cout<<nx<<" "<<ny<<" "<<s[nx][ny]<<endl;
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if(nx>=0&&nx<10&&ny>=0&&ny<10){
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if(s[nx][ny]=='B'){
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cout<<f[t];
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return 0;
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}
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if(s[nx][ny]!='R'){
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x[++w]=nx;
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y[w]=ny;
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f[w]=f[t]+1;
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}
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}
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}
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}while(t<w);
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}
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